■Purpose: ■ Used for fiber core; longitudinal continuous automatic filling. ■ Structure and features: ■ Vertical structure. Consists of two parts, the oil supply system and negative pressure filling device. ■ Oil supply system by the level of oil pump by ac motor drive the oil of the high pressure pipe for filling in the barrel. ■ Filling barrel constant negative pressure, which is formed by film cylinder through the upper and lower liquid level switch automatic control level, and gear pump open/close command, realize continuous constant pressure to the cable core filled oil supply. ■ In the import and export have shave cream filling device of mold base, both ends is equipped with stainless steel oil recycling box.